Maryland Department of the Environment

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NPDES Permits of Significant Public Interest

Back River WWTP Permit Renewal

State Permit Number: 22-DP-0851​
NPDES Permit Number: MD0021555​​

Documents for Current Renewal

Additional Information

Contact Information

​If you have questions or would like additional information about this permit, please contact the Municipal Permits Division by phone at 410-537-3363 or by email at yen-der.cheng@maryland.gov. 


Patapsco WWTP Permit Renewal

State Permit Number: 21-DP-0580
NPDES Permit Number: MD0021601​​​

Documents for Current Renewal

Additional Information

Contact Information

​If you have questions or would like additional information about this permit, please contact the Municipal Permits Division by phone at 410-537-3363 or by email at yen-der.cheng@maryland.gov.  


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